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+REcovER+jymoct+

This appeared Monday, March 28 in the data drive of a file server (server2003 R2). It appears to be some sort of ransom ware but I've not been able to get any info on it. I have Malwarebytes Premium installed and running -- it did not pick it up. I've run virus scans, hitman pro, root kit killers-- nothing seems to find these files.

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You are dealing with TeslaCrypt 4.0 which will leave files (ransom notes) with names like RECOVER+[random].TXT, RECOVER[5-random].TXT, recover_file.txt, _rEcOvEr_[5-random].txt, +-HELP-RECOVER-+[5-random]-+.txt and +REcovER+[5-random].txt. More information in this BC News article: TeslaCrypt 4.0 Released with Bug Fixes and Stops Adding Extensions.

Currently, there is no way of decrypting TeslaCrypt 4.0 or TeslaCrypt 3.0 .xxx, .ttt, .micro, .mp3 variants unless you pay the ransom since they use a different protection/key exchange algorithm, a different method of key storage and the key for them cannot be recovered. The .xxx, .ttt, micro and .mp3 variants do not have a SharedSecret*PrivateKey so they are not supported by the current version of TeslaViewer. The tool can decrypt TeslaCrypt 3.0 files only if you have the private key acquired from the malware developer after paying the ransom. If infected with any of these extensions, backup all your encrypted files and wait for a possible solution.

There is an ongoing discussion in this topic where you can ask questions and seek further assistance but as noted above there is no solution to fix your encrypted files yet.

Rather than have everyone start individual topics, it would be best (and more manageable for staff) if you posted any questions, comments or requests for assistance in the support topic discussion. Doing that will also ensure you receive proper assistance from our crypto malware experts since they may not see this thread. To avoid unnecessary confusion...this topic is closed.